CN117921097A - Motor rotor grooving device for manufacturing oil field low-efficiency motor - Google Patents
Motor rotor grooving device for manufacturing oil field low-efficiency motor Download PDFInfo
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- CN117921097A CN117921097A CN202410327229.XA CN202410327229A CN117921097A CN 117921097 A CN117921097 A CN 117921097A CN 202410327229 A CN202410327229 A CN 202410327229A CN 117921097 A CN117921097 A CN 117921097A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- 238000003754 machining Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention relates to the technical field of slotting equipment, and particularly discloses a slotting device for manufacturing a motor rotor by an oil field low-efficiency motor, which comprises a fixed base, wherein the top of the fixed base is fixedly connected with a clamping assembly, the tops of two sides of the fixed base are fixedly connected with a U-shaped fixing frame, the top of the inner side of the U-shaped fixing frame is fixedly connected with a power assembly, and the bottom of the power assembly is fixedly connected with a second pushing circular plate; according to the invention, firstly, the ungrooved rotor is placed at the top of the clamping assembly, then the first pushing circular plate is driven to rotate through the operation of the first motor, then the second arc pushing groove is driven to rotate, the limiting bolt is pushed to be close to the inner side under the positioning of the first limiting groove, then the motor rotor is fixed under the cooperation of the clamping blocks, the grooving operation of the motor is facilitated, the rapid positioning and the dismounting of the motor rotor can be realized, and the processing efficiency is ensured.
Description
Technical Field
The invention relates to the technical field of slotting equipment, in particular to a slotting device for manufacturing a motor rotor by an oil field low-efficiency motor.
Background
The motor rotor is a rotating component in the motor. The motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy. The motor rotor is divided into a motor rotor and a generator rotor.
In the production process of the motor rotor, the number of grooves on the outer side of the rotor is required to be determined according to the power of the low-efficiency motor, and the number of grooves of the rotor determines the number of times that the rotor cuts the magnetic induction line in one rotation, so that the power of the motor is determined.
The grooves on the outer side of the existing motor rotor are sequentially formed in the process of forming through the grooving machine, but the existing grooving machine has the following defects in the using process:
The existing grooving machine type needs to sequentially carry out grooving according to the number of grooves on the outer side of a rotor, so that a great deal of time is required for grooving, and production efficiency is inconvenient to ensure.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a slotting device for manufacturing a motor rotor of an oil field low-efficiency motor, which solves the problems in the prior art.
The invention provides the following technical scheme: the utility model provides a motor rotor fluting device is made to low-efficient motor in oil field, includes unable adjustment base, unable adjustment base's top fixedly connected with clamping assembly, the equal fixedly connected with U type mount in top of unable adjustment base both sides, the inboard top fixedly connected with fluting subassembly of U type mount, fluting subassembly includes power component, the bottom fixedly connected with second promotion plectane of power component, first arc promotion groove has been seted up at the top of second promotion plectane, the inboard activity joint in the first arc groove of second promotion plectane has lifting unit, lifting unit's bottom fixedly connected with adjusting part.
Further, the clamping assembly comprises a first motor, the top fixedly connected with first fixed plectane of first motor, the equal fixedly connected with first fixed plate in both sides of first fixed plectane, the output shaft of first motor is connected with first promotion plectane transmission, the second arc promotes the groove has been seted up at the top of first promotion plectane, the equal fixedly connected with first spacing groove all around at first fixed plectane top, the inboard activity joint in second arc promotes the groove has spacing bolt, the top fixedly connected with grip block of spacing bolt.
Further, the power component comprises a second motor, a second fixed circular plate is fixedly connected to the bottom of the second motor, an output shaft of the second motor is in transmission connection with the first rotating shaft, a positioning bearing is movably sleeved on the outer side of the first rotating shaft, and second limiting grooves are fixedly connected to the periphery of the bottom of the second fixed circular plate.
Further, the lifting assembly comprises a hydraulic cylinder, conveying pipes are fixedly connected to the periphery of the hydraulic cylinder, telescopic pipes are fixedly connected to the outer sides of the conveying pipes, telescopic pipes are far away from outer sides of conveying pipes at one end of the hydraulic cylinder and fixedly connected with telescopic rods, first limiting circular plates are fixedly connected to the tops of the telescopic rods, limiting shafts are fixedly connected to the tops of the first limiting circular plates, and second limiting circular plates are fixedly connected to the tops of the limiting shafts.
Further, the adjusting component comprises a U-shaped fixed plate, a third motor is fixedly connected to the front face of the U-shaped fixed plate, an output shaft of the third motor is in transmission connection with a second rotating shaft, a rotating plate is fixedly connected to the bottom of the second rotating shaft, a cutting plate is fixedly connected to the inner side of the rotating plate, and cutting blades are arranged on the inner side and the bottom of the cutting plate.
Further, the diameter of the bottom of the limit bolt is matched with the width of the inner side of the first limit groove, the diameter of the top of the limit bolt is matched with the width of the second arc-shaped pushing groove, and the height of the diameter section of the top of the limit bolt is matched with the thickness of the first pushing circular plate.
Further, the height of the limiting shaft is matched with the height of the second pushing circular plate, and the diameter of the first limiting circular plate is matched with the width of the inside of the second limiting groove.
The invention has the technical effects and advantages that:
According to the invention, firstly, the ungrooved rotor is placed at the top of the clamping assembly, then the first pushing circular plate is driven to rotate through the operation of the first motor, then the second arc pushing groove is driven to rotate, the limiting bolt is pushed to be close to the inner side under the positioning of the first limiting groove, then the motor rotor is fixed under the cooperation of the clamping blocks, the grooving operation of the motor is facilitated, the rapid positioning and the dismounting of the motor rotor can be realized, and the processing efficiency is ensured.
The invention firstly drives the second rotating shaft to rotate through the third motor to drive the rotating plate to rotate so that the cutting plate rotates to the top to be close to the second pushing circular plate in the slotting process, the slotting component is retracted, then drives the first rotating shaft to rotate through the second motor to drive the second pushing circular plate, the lifting component and the slotting component to rotate, drives the telescopic rod to be close to or far away from under the pushing groove at the top of the second pushing circular plate under the pushing of the pushing groove at the top of the second pushing circular plate, then drives the telescopic pipe to be stretched or compressed, then enables the cutting blade to be attached to the position needing slotting, then conveys hydraulic oil through the hydraulic cylinder to be conveyed to the telescopic rod through the conveying pipe and the telescopic pipe, then pushes the telescopic rod to stretch, and the slotting of the rotor is completed through the cutting blade, so that the equipment can synchronously complete slotting of the position needing slotting of the motor rotor at the same time, the machining efficiency is ensured, and the equipment can rapidly complete machining.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic structural view of a clamping assembly according to the present invention.
Fig. 3 is a schematic diagram of an assembly structure of a clamping assembly according to the present invention.
Fig. 4 is a schematic structural view of a slotting component according to the present invention.
Fig. 5 is a schematic view of the power assembly of the present invention.
Fig. 6 is a schematic structural diagram of a lifting assembly according to the present invention.
Fig. 7 is a schematic view of the structure of the adjusting assembly of the present invention.
The reference numerals are: 1. a fixed base; 2. a clamping assembly; 201. a first motor; 202. a first fixing plate; 203. a first limit groove; 204. a first pushing circular plate; 205. a second arcuate push slot; 206. a clamping block; 207. a limit bolt; 208. a first fixed circular plate; 3. a U-shaped fixing frame; 4. a slotting component; 401. a power assembly; 4011. a second motor; 4012. a first rotation shaft; 4013. positioning a bearing; 4014. the second limit groove; 4015. a second fixed circular plate; 402. a second pushing circular plate; 403. a lifting assembly; 4031. a hydraulic cylinder; 4032. a delivery tube; 4033. a telescopic tube; 4034. a telescopic rod; 4035. a first limit circular plate; 4036. a limiting shaft; 4037. a second limit circular plate; 404. an adjustment assembly; 4041. a U-shaped fixing plate; 4042. a third motor; 4043. a second rotation shaft; 4044. a rotating plate; 4045. a cutting plate; 4046. cutting blades.
Detailed Description
The embodiments of the present invention will be clearly and fully described with reference to the drawings in the present invention, and the configurations of the structures described in the following embodiments are merely examples, and the apparatus for manufacturing a motor rotor for an oilfield motor according to the present invention is not limited to the structures described in the following embodiments, but all other embodiments obtained by a person skilled in the art without any inventive effort are within the scope of the present invention.
Referring to fig. 1 to 7, the invention provides a slotting device for manufacturing a motor rotor of an oil field low-efficiency motor, which comprises a fixed base 1, wherein the top of the fixed base 1 is fixedly connected with a clamping component 2, the tops of two sides of the fixed base 1 are fixedly connected with a U-shaped fixing frame 3, the top of the inner side of the U-shaped fixing frame 3 is fixedly connected with a slotting component 4, the slotting component 4 comprises a power component 401, the bottom of the power component 401 is fixedly connected with a second pushing circular plate 402, the top of the second pushing circular plate 402 is provided with a first arc-shaped pushing groove, the inner side of the first arc-shaped groove of the second pushing circular plate 402 is movably clamped with a lifting component 403, and the bottom of the lifting component 403 is fixedly connected with an adjusting component 404.
In a preferred embodiment, the clamping assembly 2 comprises a first motor 201, a first fixed circular plate 208 is fixedly connected to the top of the first motor 201, first fixed plates 202 are fixedly connected to two sides of the first fixed circular plate 208, an output shaft of the first motor 201 is in transmission connection with a first pushing circular plate 204, a second arc pushing groove 205 is formed in the top of the first pushing circular plate 204, a first limiting groove 203 is fixedly connected to the periphery of the top of the first fixed circular plate 208, a limiting bolt 207 is movably clamped to the inner side of the second arc pushing groove 205, and a clamping block 206 is fixedly connected to the top of the limiting bolt 207; firstly, the ungrooved rotor is placed at the top of the clamping assembly 2, then the first pushing circular plate 204 is driven to rotate through the operation of the first motor 201, then the second arc pushing groove 205 is driven to rotate, the pushing limiting bolt 207 is close to the inner side under the positioning of the first limiting groove 203, then the motor rotor is fixed under the cooperation of the clamping blocks 206, the grooving operation of the motor is facilitated, the rapid positioning and the dismounting of the motor rotor can be realized, and the machining efficiency is ensured.
In a preferred embodiment, the power assembly 401 includes a second motor 4011, a second fixed circular plate 4015 is fixedly connected to the bottom of the second motor 4011, an output shaft of the second motor 4011 is in transmission connection with a first rotating shaft 4012, a positioning bearing 4013 is movably sleeved on the outer side of the first rotating shaft 4012, and second limiting grooves 4014 are fixedly connected to the periphery of the bottom of the second fixed circular plate 4015.
In a preferred embodiment, the lifting assembly 403 includes a hydraulic cylinder 4031, a conveying pipe 4032 is fixedly connected around the hydraulic cylinder 4031, a telescopic pipe 4033 is fixedly connected to the outer side of the conveying pipe 4032, a telescopic rod 4034 is fixedly connected to the outer side of the conveying pipe 4032 far away from one end of the hydraulic cylinder 4031, a first limiting circular plate 4035 is fixedly connected to the top of the telescopic rod 4034, a limiting shaft 4036 is fixedly connected to the top of the first limiting circular plate 4035, and a second limiting circular plate 4037 is fixedly connected to the top of the limiting shaft 4036.
In a preferred embodiment, the adjusting component 404 includes a U-shaped fixed plate 4041, a third motor 4042 is fixedly connected to the front surface of the U-shaped fixed plate 4041, an output shaft of the third motor 4042 is in transmission connection with a second rotating shaft 4043, a rotating plate 4044 is fixedly connected to the bottom of the second rotating shaft 4043, a cutting plate 4045 is fixedly connected to the inner side of the rotating plate 4044, and cutting blades 4046 are formed on the inner side and the bottom of the cutting plate 4045; in the grooving process, the position where grooving is not needed is driven to rotate by the second rotating shaft 4043 through the operation of the third motor 4042, then the rotating plate 4044 is driven to rotate, so that the cutting plate 4045 rotates to the top and is close to the second pushing circular plate 402, the adjusting component 404 is retracted, then the first rotating shaft 4012 is driven to rotate through the operation of the second motor 4011, then the second pushing circular plate 402, the lifting component 403 and the adjusting component 404 are driven to rotate, under the pushing action of the pushing groove at the top of the second pushing circular plate 402, the telescopic rod 4034 is driven to be close to or far away from under the action of the second limiting groove 4014, then the telescopic pipe 4033 is driven to be stretched or compressed, then the cutting blade 4046 can be attached to the position where grooving is needed, then hydraulic oil is conveyed to the telescopic rod 4034 through the conveying pipe 4032 and the telescopic pipe 4033, then the telescopic rod 4034 is pushed to stretch, grooving is completed on the rotor through the cutting blade 4046, the motor rotor can be synchronously grooved, machining efficiency is guaranteed, and the equipment can be machined quickly.
In a preferred embodiment, the diameter of the bottom of the stop pin 207 is matched with the width of the inner side of the first stop slot 203, the diameter of the top of the stop pin 207 is matched with the width of the second arc-shaped pushing slot 205, and the height of the diameter section of the top of the stop pin 207 is matched with the thickness of the first pushing circular plate 204.
In a preferred embodiment, the height of the spacing shaft 4036 is matched to the height of the second push disk 402, and the diameter of the first spacing disk 4035 is matched to the width of the interior of the second spacing groove 4014.
The working principle of the invention is as follows: in the process of slotting the motor rotor, firstly, the ungrooved rotor is placed at the top of the clamping assembly 2, then the first motor 201 works to drive the first pushing circular plate 204 to rotate, then the second arc pushing groove 205 is driven to rotate, the pushing limiting bolt 207 is closed inwards under the positioning of the first limiting groove 203, then the motor rotor is fixed under the cooperation of the clamping blocks 206, the motor is convenient to slotting, the motor rotor can be positioned and disassembled quickly, the machining efficiency is ensured, in the slotting process, firstly, the position where slotting is not needed is driven to rotate by the third motor 4042, then the rotating plate 4044 is driven to rotate to enable the cutting plate 4045 to rotate towards the top and be close to the second pushing circular plate 402, the adjusting assembly 404 is retracted, then drive first rotation axis 4012 rotation through second motor 4011 work and then drive second promotion plectane 402, lifting unit 403 and adjustment subassembly 404 rotation, under the promotion of the promotion groove at second promotion plectane 402 top, drive telescopic link 4034 and draw close or keep away from under the effect of second spacing groove 4014, then drive flexible pipe 4033 and be stretched or compress, then make cutting blade 4046 can laminate the position that needs the fluting, then carry hydraulic oil through pneumatic cylinder 4031 work and then carry to telescopic link 4034 through conveyer pipe 4032 and flexible pipe 4033, promote telescopic link 4034 and stretch, accomplish the fluting to the rotor through cutting blade 4046, make equipment can accomplish the fluting with motor rotor need be grooved position synchronization simultaneously, machining efficiency has been guaranteed, make equipment can accomplish the processing fast.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The utility model provides an oil field low-efficiency motor manufacturing motor rotor fluting device, includes unable adjustment base (1), its characterized in that: the utility model discloses a fixed base, including fixed base, clamping assembly (1), U type mount (3) are all fixedly connected with at the top of fixed base (1) both sides, the inboard top fixedly connected with fluting subassembly (4) of U type mount (3), fluting subassembly (4) include power pack (401), the bottom fixedly connected with second of power pack (401) promotes plectane (402), first arc promotion groove has been seted up at the top of second promotion plectane (402), the inboard activity joint in first arc groove of second promotion plectane (402) has lifting unit (403), the bottom fixedly connected with adjusting part (404) of lifting unit (403).
2. The apparatus for manufacturing a motor rotor for an oilfield low-efficiency motor of claim 1, wherein: the clamping assembly (2) comprises a first motor (201), a first fixed circular plate (208) is fixedly connected to the top of the first motor (201), first fixed plates (202) are fixedly connected to two sides of the first fixed circular plate (208), an output shaft of the first motor (201) is in transmission connection with a first pushing circular plate (204), a second arc pushing groove (205) is formed in the top of the first pushing circular plate (204), first limiting grooves (203) are fixedly connected to the periphery of the top of the first fixed circular plate (208), limiting bolts (207) are movably clamped on the inner sides of the second arc pushing grooves (205), and clamping blocks (206) are fixedly connected to the top of the limiting bolts (207).
3. The apparatus for manufacturing a motor rotor for an oilfield low-efficiency motor of claim 1, wherein: the power assembly (401) comprises a second motor (4011), a second fixed circular plate (4015) is fixedly connected to the bottom of the second motor (4011), an output shaft of the second motor (4011) is in transmission connection with a first rotating shaft (4012), a positioning bearing (4013) is movably sleeved on the outer side of the first rotating shaft (4012), and a second limiting groove (4014) is fixedly connected to the periphery of the bottom of the second fixed circular plate (4015).
4. A motor rotor slotting device for manufacturing an oilfield inefficient motor according to claim 3, wherein: lifting assembly (403) include pneumatic cylinder (4031), fixedly connected with conveyer pipe (4032) all around of pneumatic cylinder (4031), flexible pipe (4033) of outside fixedly connected with of conveyer pipe (4032), flexible pipe (4033) keep away from outside fixedly connected with telescopic link (4034) of pneumatic cylinder (4031) one end conveyer pipe (4032), the equal fixedly connected with in top of telescopic link (4034) is first spacing plectane (4035), the top fixedly connected with spacing axle (4036) of first spacing plectane (4035), the top fixedly connected with second spacing plectane (4037) of spacing axle (4036).
5. The apparatus for manufacturing a motor rotor for an oilfield low motor of claim 4, wherein: the adjusting component (404) comprises a U-shaped fixed plate (4041), a third motor (4042) is fixedly connected to the front surface of the U-shaped fixed plate (4041), an output shaft of the third motor (4042) is in transmission connection with a second rotating shaft (4043), a rotating plate (4044) is fixedly connected to the bottom of the second rotating shaft (4043), a cutting plate (4045) is fixedly connected to the inner side of the rotating plate (4044), and cutting blades (4046) are respectively arranged on the inner side and the bottom of the cutting plate (4045).
6. The apparatus for manufacturing a motor rotor for an oilfield low-efficiency motor of claim 2, wherein: the diameter of the bottom of the limit bolt (207) is matched with the width of the inner side of the first limit groove (203), the diameter of the top of the limit bolt (207) is matched with the width of the second arc-shaped pushing groove (205), and the height of the diameter section of the top of the limit bolt (207) is matched with the thickness of the first pushing circular plate (204).
7. The apparatus for manufacturing a motor rotor for an oilfield low motor of claim 5, wherein: the height of the limiting shaft (4036) is matched with the height of the second pushing circular plate (402), and the diameter of the first limiting circular plate (4035) is matched with the width of the inside of the second limiting groove (4014).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410327229.XA CN117921097A (en) | 2024-03-21 | 2024-03-21 | Motor rotor grooving device for manufacturing oil field low-efficiency motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410327229.XA CN117921097A (en) | 2024-03-21 | 2024-03-21 | Motor rotor grooving device for manufacturing oil field low-efficiency motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117921097A true CN117921097A (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410327229.XA Pending CN117921097A (en) | 2024-03-21 | 2024-03-21 | Motor rotor grooving device for manufacturing oil field low-efficiency motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117921097A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000002715A1 (en) * | 1998-07-09 | 2000-01-20 | Newell Gregory J | Independently driven slotter unit |
| JP2012056010A (en) * | 2010-09-08 | 2012-03-22 | Mitsubishi Heavy Ind Ltd | Slotting method for rotor disk, system for determining specification of damper, control method, and program |
| CN111215656A (en) * | 2020-02-24 | 2020-06-02 | 宁波双德电子有限公司 | Drilling device for metal product processing |
| CN113351911A (en) * | 2021-07-02 | 2021-09-07 | 李崇芳 | Automatic processing equipment for batch punching and automatic positioning of sheet metal part rectangles |
| CN113427283A (en) * | 2021-07-30 | 2021-09-24 | 章君巧 | Multi-shaft adjuster capable of automatically adjusting equal-divided wheelbase |
| CN218051381U (en) * | 2022-09-21 | 2022-12-16 | 安徽美孚智控科技有限公司 | Rotor core fluting processingequipment |
| CN219188714U (en) * | 2023-02-23 | 2023-06-16 | 鸡泽县昌泰金属制品有限公司 | Equiangular annular slotting equipment |
| CN219310716U (en) * | 2022-12-28 | 2023-07-07 | 合肥前锦数控设备有限公司 | Rotary clamping device for automobile forgings |
| CN116587040A (en) * | 2023-04-21 | 2023-08-15 | 辽宁飞扬智能设备有限公司 | Inner wall processing equipment for cylinder body processing and processing method thereof |
-
2024
- 2024-03-21 CN CN202410327229.XA patent/CN117921097A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000002715A1 (en) * | 1998-07-09 | 2000-01-20 | Newell Gregory J | Independently driven slotter unit |
| JP2012056010A (en) * | 2010-09-08 | 2012-03-22 | Mitsubishi Heavy Ind Ltd | Slotting method for rotor disk, system for determining specification of damper, control method, and program |
| CN111215656A (en) * | 2020-02-24 | 2020-06-02 | 宁波双德电子有限公司 | Drilling device for metal product processing |
| CN113351911A (en) * | 2021-07-02 | 2021-09-07 | 李崇芳 | Automatic processing equipment for batch punching and automatic positioning of sheet metal part rectangles |
| CN113427283A (en) * | 2021-07-30 | 2021-09-24 | 章君巧 | Multi-shaft adjuster capable of automatically adjusting equal-divided wheelbase |
| CN218051381U (en) * | 2022-09-21 | 2022-12-16 | 安徽美孚智控科技有限公司 | Rotor core fluting processingequipment |
| CN219310716U (en) * | 2022-12-28 | 2023-07-07 | 合肥前锦数控设备有限公司 | Rotary clamping device for automobile forgings |
| CN219188714U (en) * | 2023-02-23 | 2023-06-16 | 鸡泽县昌泰金属制品有限公司 | Equiangular annular slotting equipment |
| CN116587040A (en) * | 2023-04-21 | 2023-08-15 | 辽宁飞扬智能设备有限公司 | Inner wall processing equipment for cylinder body processing and processing method thereof |
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